#!/bin/bash
sudo apt-get install xinetd telnetd 
cat >~/inetd.conf<<EOF
tftp	dgram	udp	wait	nobody	/usr/sbin/tcpd	/usr/sbin/in.tftpd /srv/tftp
telnet	stream	tcp	nowait	telnetd	/usr/sbin/tcpd	/usr/sbin/in.telnetd
EOF

cat >~/xinetd.conf<<EOF
#####################added
defaults
{
# Please note that you need a log_type line to be able to use log_on_success
# and log_on_failure. The default is the following :
# log_type = SYSLOG daemon info

instances = 60
log_type = SYSLOG authpriv
log_on_success = HOST PID
log_on_failure = HOST
cps = 25 30
}
includedir /etc/xinetd.d
EOF

cat >~/telnet<<EOF
#####################added
# default: on
# description: The telnet server serves telnet sessions; it uses \
# unencrypted username/password pairs for authentication.
service telnet
{
disable = no
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
}
EOF

sudo cp ~/inetd.conf      /etc/inetd.conf -rf
sudo cp ~/xinetd.conf     /etc/xinetd.conf -rf
sudo cp ~/telnet /etc/xinetd.d/telnet -rf
rm ~/{inetd.conf,xinetd.conf,telnet}
sudo /etc/init.d/xinetd restart
exit
#http://www.cnblogs.com/Huntercat/archive/2008/06/23/1228222.html

